A nurse is reinforcing discharge teaching about improving gas exchange with a client who has emphysema. Which of the following information should the nurse include in the teaching?
Use pursed-lip breathing during periods of dyspnea.
Limit fluid intake to 1,500 ml per day.
Practice chest breathing each day.
Wear home oxygen to maintain an SpO2 of at least 94%.
The Correct Answer is A
Choice A reason: This is the correct information, because pursed-lip breathing can help improve gas exchange by creating positive pressure in the airways, preventing air trapping and alveolar collapse, and increasing the exhalation time.
Choice B reason: This is an incorrect information, because limiting fluid intake to 1,500 ml per day can cause dehydration and thickening of the respiratory secretions, which can impair gas exchange and increase the risk of infection.
Choice C reason: This is an incorrect information, because practicing chest breathing each day can worsen gas exchange by increasing the use of accessory muscles, decreasing the diaphragmatic excursion, and reducing the lung expansion.
Choice D reason: This is an incorrect information, because wearing home oxygen to maintain an SpO2 of at least 94% can be harmful for a client who has emphysema, as it can suppress the hypoxic drive and cause carbon dioxide retention, which can lead to respiratory acidosis and coma. The client who has emphysema should wear home oxygen to maintain an SpO2 of 88% to 92%, or as prescribed by the provider.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A reason: This is an incorrect route, because maternal-fetal transmission of hepatitis A is very rare and occurs only if the mother has acute hepatitis A during the third trimester of pregnancy.
Choice B reason: This is the correct route, because fecal-oral contamination of hepatitis A is the most common mode of transmission. Hepatitis A is a viral infection that affects the liver and is spread through ingestion of contaminated food or water, or contact with infected feces.
Choice C reason: This is an incorrect route, because genital sexual contact of hepatitis A is uncommon and occurs only if there is oral-anal contact with an infected person.
Choice D reason: This is an incorrect route, because blood to blood transmission of hepatitis A is also uncommon and occurs only if there is exposure to infected blood or blood products, such as through needle sharing or transfusion.
Correct Answer is B
Explanation
Choice A reason: This is an incorrect action, because elevating the residual limb on a soft pillow can cause contractures and impair the blood flow to the stump. The residual limb should be elevated only for the first 24 hr after surgery, and then positioned flat on the bed.
Choice B reason: This is the correct action, because assisting the client to a prone position every 4 hr can prevent hip flexion contractures and promote the range of motion of the hip joint. The client should lie prone for 20 to 30 minutes at a time, with the residual limb extended.
Choice C reason: This is an incorrect action, because reapplying a bandage to the residual limb every 12 hr can increase the risk of infection and delay the healing of the wound. The bandage should be changed only when it is soiled or loose, and under sterile technique.
Choice D reason: This is an incorrect action, because applying dressings to the site in a proximal-to-distal direction can cause edema and impair the circulation to
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